//
// EchoServer.cpp
//
// $Id: //poco/1.4/Net/samples/EchoServer/src/EchoServer.cpp#1 $
//
// This sample demonstrates the SocketReactor and SocketAcceptor classes.
//
// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#include "Poco/Net/SocketReactor.h"
#include "Poco/Net/SocketAcceptor.h"
#include "Poco/Net/SocketNotification.h"
#include "Poco/Net/StreamSocket.h"
#include "Poco/Net/ServerSocket.h"
#include "Poco/NObserver.h"
#include "Poco/Exception.h"
#include "Poco/Thread.h"
#include "Poco/Util/ServerApplication.h"
#include "Poco/Util/Option.h"
#include "Poco/Util/OptionSet.h"
#include "Poco/Util/HelpFormatter.h"
#include <iostream>


using Poco::Net::SocketReactor;
using Poco::Net::SocketAcceptor;
using Poco::Net::ReadableNotification;
using Poco::Net::ShutdownNotification;
using Poco::Net::ServerSocket;
using Poco::Net::StreamSocket;
using Poco::NObserver;
using Poco::AutoPtr;
using Poco::Thread;
using Poco::Util::ServerApplication;
using Poco::Util::Application;
using Poco::Util::Option;
using Poco::Util::OptionSet;
using Poco::Util::HelpFormatter;


class RegServerHandler
{
public:
    RegServerHandler(StreamSocket& socket, SocketReactor& reactor);

      ~RegServerHandler()
      {
          Application& app = Application::instance();
          try
          {
              app.logger().information("Disconnecting " + _socket.peerAddress().toString());
          }
          catch (...)
          {
          }
          _reactor.removeEventHandler(_socket, NObserver<RegServerHandler, ReadableNotification>(*this, &RegServerHandler::onReadable));
          _reactor.removeEventHandler(_socket, NObserver<RegServerHandler, ShutdownNotification>(*this, &RegServerHandler::onShutdown));
          delete [] _pBuffer;
      }

      void onReadable(const AutoPtr<ReadableNotification>& pNf);

      void onShutdown(const AutoPtr<ShutdownNotification>& pNf);

private:
    enum
    {
        BUFFER_SIZE = 2048
    };

    StreamSocket   _socket;
    SocketReactor& _reactor;
    char*          _pBuffer;
};


class RegServer: public Poco::Util::ServerApplication
{
public:
    RegServer();
    ~RegServer();

protected:
    void initialize(Application& self);
    void uninitialize();
    void defineOptions(OptionSet& options);
    void handleOption(const std::string& name, const std::string& value);
    void displayHelp();
    int main(const std::vector<std::string>& args);

private:
    bool _helpRequested;
};